[PATCH] drm/msm: fix returnvar.cocci warning

[Guo Zhengkui]

Fix the following coccicheck warning:
drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c:24:5-8: Unneeded variable:
"ret". Return "0" on line 75.

Signed-off-by: Guo Zhengkui <guozheng...@vivo.com>
---
 drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c 
b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
index 3cf476c55158..8ae66facc095 100644
--- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
+++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
@@ -21,7 +21,6 @@ static int mdp4_hw_init(struct msm_kms *kms)
        struct drm_device *dev = mdp4_kms->dev;
        u32 dmap_cfg, vg_cfg;
        unsigned long clk;
-       int ret = 0;
 
        pm_runtime_get_sync(dev->dev);
 
@@ -72,7 +71,7 @@ static int mdp4_hw_init(struct msm_kms *kms)
 
        pm_runtime_put_sync(dev->dev);
 
-       return ret;
+       return 0;
 }
 
 static void mdp4_enable_commit(struct msm_kms *kms)
-- 
2.20.1